2008
13%
2007
27%
2006
19%
2005
5%
2004
7%
2003
2%
2002
1%
2001
4%
2000
1%
1999
1%
1998
2%
1997
1%
1996
0%
1995
1%
Áður, Annað, Hlutlaus
17%
109 hafa kosið